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Frozen bags of breastmilk are arranged in a wicker basket on a table.

Updated on Sep. 30, 2025

2 minute read

Should I Use Donor Milk for My Baby?

Emily Oster, PhD

A woman has a mammogram procedure in a doctor's office.

Mar. 20, 2023

4 minute read

When to Get a Mammogram

Emily Oster, PhD

Fruits and vegetables are on display in a grocery store, including fennel, greens, onions, carrots, broccoli, and more.

Mar. 17, 2023

3 minute read

Should I Feed My Baby Organic Food?

Emily Oster, PhD

Close up of pregnant person's belly with their hand on their stomach and a scale in the other hand

Mar. 17, 2023

3 minute read

Should I be Concerned About a High BMI in Pregnancy?

Emily Oster, PhD

Child's hand placed on an adult hand

Updated on Feb. 11, 2025

2 minute read

Will Cracking My Knuckles Lead to Permanent Damage?

Emily Oster, PhD

Folded pink paper hearts are arranged on a pink background.

Mar. 17, 2023

2 minute read

How Long Do I Have to Wait to TTC After a C-Section?

Nathan Fox, MD

Figurines of wooden families with different numbers of family members are arranged on a beige background

Updated on Feb. 5, 2025

3 minute read

Is It Better for My Child to Have a Sibling or More Resources?

Emily Oster, PhD

a pregnant adult laying on a sofa and reading a book

Mar. 10, 2023

3 minute read

Will My High Stress Level While Pregnant Hurt My Baby?

Emily Oster, PhD

a pregnant adult stepping in the hot bath tub in the washroom

Updated on Oct. 10, 2025

2 minute read

Can I Take a Hot Bath While Pregnant?

Emily Oster, PhD

A baby rests face down on a fuzzy blanket during tummy time.

Updated on Oct. 17, 2025

2 minute read

Does My Baby Really Need Two Hours of Tummy Time Per Day?

Emily Oster, PhD

A pregnant person being monitored in a hospital bed before labor.

Mar. 9, 2023

2 minute read

“Children born after induced labour ‘may score lower in tests at 12’”

Emily Oster, PhD

A group of babies listening to ParentData on headphones

Mar. 6, 2023

26 minute read

Telling the Truth About Marriage with Young Kids

Emily Oster, PhD

A blue air mattress is set up on a carpeted floor with a teddy bear and unicorn blanket.

Mar. 3, 2023

3 minute read

Should I Let My Kid Go to Sleepovers?

Emily Oster, PhD

A plastic model of the human ear and ear canal.

Updated on Sep. 17, 2025

3 minute read

Should My Baby Get Ear Tubes?

Emily Oster, PhD

Hands demonstrate ASL letters, from A-Z.

Updated on Nov. 26, 2025

2 minute read

Should I Teach My Child Baby Sign Language?

Emily Oster, PhD

a baby wearing a big glasses

Updated on Dec. 9, 2025

3 minute read

How Can I Make My Baby Smarter?

Emily Oster, PhD